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November 19, 2020
Except for engineers and people who deal with fastener bolts daily, not many would know about ‘Galling’. One may know about it only after his experience of an expensive machine breaking down because of galling. But you might question here, “Is galling a serious issue?” Well, to be straightforward, it poses threat to the safety and quality of your machines which may hamper the speed of the production. Hence, it becomes crucial for everyone that is involved in the production, operation, and procurement to know about fastener bolt galling.
Galling happens during the process of sliding or installation. Due to a combined effect of friction and adhesion of metallic surfaces, fasteners are prone to galling. This further increases as the excess of lump forms when material from one surface gets attached to another.
Additionally, it is important to be aware that once a fastener seized up from galling, it is impossible to remove and the only solution you will have is to cut the